Sheet-metal-forming machine.



C A. WEIRICH. SHEET METAL FORMING MACHINE.

APPLICATION FILED APR. 6, I915- 1,154:,951. Patented Sept. 28, 1915.

3 SHEETSSHEE12.

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C. A. WEIRECH.

SHEET METAL FORMING MACHINE.

APPLICATION FILED APR. 6. I915.

Patentd Sept. 28, 1915.

3 SHEETSSHEET 3.

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SHEET-liiETAll-FUBMING MACHINE.

Application filed April 6, 1915. Serial No. 19,435.

lb ally/9 moyconcern: lieibliitiown that I, CL RENCE A. Wnnuonr. acitizen of'the United States, residing at Ca-ntongqn the county of Starkand State of Ohiothrive invented a new and-useful Sheet- Metal=-Foi-ming.Machine, of which the, 011

lowing 1 especification.

invention relates to sheet metal forming'jmachines and has more'especialrefer-.

ence too. machine adapted to out metal sheets-'finto, strips of apredetermined size and corrugate the strips thus out.

The object of my invention is to provide a sheet metal forming machinewhich will.

automatically cutinetal sheets into strips of a predetermined size andcorrugate the stripsin asingleoperation.

further object is to'provide a machine of this character into whichsheets of va-' rious sizes may be fed and which will automaticallydiscard'the scrap cut from the corresponding parts through the severalsheets and discharge the finished strips into a separate receptacle.

With. these ob ects 1n VleW the invention consists'im the novelconstruction and arrangement of parts, hereinafter described.

illustrated in the accompanyingdrawings,

and particularly pointed out in the appended claims, it being understoodthat various changes in the form, proportions. size and minor details ofconstruction may be made, within the scope of the appended claims,without departing from the spirit or sacrificing any of the advantagesof the invention.

In the accompanying drawing: Figure 1 is a sideelevation of a machineconstructed inaccordance with my invention. Fig. 2 is an elevation ofthe opposite side of the inacl1ine,'parts being broken away for thepurpose of illustration. Fig. 3 is a top plan view ofa machine on anenlarged scale. Fig. -.l is'a longitudinal section on the line l-'l.Fig. 3. Fig. 5 is a transverse section on the line 5-5, Fig. 3. Fig. 6is a trans verse sectional viewshowing the splitting rolls. Fig. 7 is adetail view of the clutch.

Fig. 8 is a detail perspective view of one of the corrugated stripsformed in tlus machine. Sunllar numerals of reference indicate Views ofthe drawings.

The side frames l and 2 are supported upon suitable legs 3.

A table 4 is supported at the front of the machine upon a suitablebracket 5 carried upon the side frames 1 and 2, said table extendingin'hetween the side frames to a point The lower feed roll vided with areduced portion 7 which extends through the side frame and a pinion 8 ismounted thereon, said pinion meshing with a pinion 9 carried upon thereduced portion 19 of the'upper feed roll 11. The upper feed roll ismounted in slidahle bearings 12 of the usual construction which areadjusted by means of the customary screw 13 and a pressure spring '14 isinterposed for the purpose of normally holding the rolls together andallowing; a slight movement of the upper rolls-to accommodate anyvarying thickness in the sheets.

A. pair of splitting rolls are located adjacent the feed rolls and in aposition to receive the sheets as they pass from the feed width. Each ofthe splitting rolls is provided with alternate collars 15 and restrictedportions 16 of a width equal to the desired width of the strips to becut and the collars of each splitting roll register with the restrictedportions of the other splitting roll, thus performing a splitting actionwhen the' sheets are passed between said rolls, splitting the sheetsinto strips of a width equal to the collars on the splitting rolls. Thelower splitting roll 17 is journaled infthe side frames 1 and 2 and isprovided upon one extremity with a pinion 18. which meshes Specificationof Letters Patent. ianigti SQpt. 28, 1915.

.rolls and split the same into thedesired 24, carried upon a oar 25extending transversely between the side'fiangessextend into said groovesfor the purpose" of guiding the sheets from the feed rolls into thesplitting rolls.

A fixed shear blade 26 is located beyond the splitting rolls and ispreferably mounted upon the blocks 27 by means of screws 28, said blocksbeing carried in the side frames of the'machine.

A screw 29 is passed downwardly through engagement with the fixed shearblade 26 as will be hereinafter explained.

-An arm 34 is pivoted to each of the side vframes 1 and 2 as at 35 andeach of said arms is provided with a roller 36 which bears upon thelower edge of the reciprocating shear blade. a I A roller 37 is provided11 on the extremity of each of the arms 34, sai rollers normally restingupon the shaft 38 and adaptedto be glrligitged by the cams 39 providedupon said a 20 Each of the arms 34 'is provided with a recess 40 adaptedto receive the cams 39 as they are moved into the raised position,thusallowing a quick return of the recip-. frocating shear blade.

A tension spring 41 is connected tothe reciprocating shear bladeandattach'edfiin an suitablemanner to the frame of the machinc,preferably to a rod 42 connected between the side frames.

3 A guide late 43 is located between the fixed shear lade and thesplitting rolls for iding the strips of metal.

the purpose of beneath the fixe shear blade. For the purpose ofassisting in guiding the strips to the shears and also in order toprovide a guide. for carrying the scrap away from the shears a. plate 44is pivoted upon a shaft 45"extending transversely through the machinebe-- neath the fixed shear blade. tremity ofthe plate 44 rests upon therollers 47 on the arms 34 and as said arms are moved into their raisedposition the plate 44 will be swung toward the lower splitting Jroll,thus forming a guide for assisting the T45 strips to the shearblades and also forming a chute upon which the scrap from the shearswillbe carried out of the machine.

The shaft 38 is journaled in suitable bear ings in the side frames 1 and2 and is pro-1' "ided, upon one extremity with a gear 48 which mesheswith a pinion 49 upon a drive shaft 50, a drive pulley 51 being alsomounted upon the drive shaft for the put .of

imparting rotary motion tosaid sha 7 Upper and lower feed rolls52 and 53respectively are located beyond the shears in a position to" receive thestrips as they are sheared and pass them on to the chute which 'carriesthem on to the corrugating rolls. --The lower feed roll is journaled inthe side frames 1 and 2 and the shaft 54 thereof is provided with apinion 55 which'meshes with apinion 56 mounted upon theshaft 57 of theupper roll which is journaled in sliding bearings 58 mounted forvertical" .sitionand; mounted upon located'in'uxtapositlon to the lowerThe lower exmounted in the side. frames, a bolt SO being strips movementwithin the side frames, Set screws 59 bein provided for the purpose ofordinate ing sai bearings and the usual sp being provided. order tonormally old the upper roll inengagement-with the lower roll and toprovidefor any slight variation in the thickness vof'the A sprocketwheel '61'is mounted upon .the shaft 54 and 'is connected by means of asprocket chain 62 with a sprocket wheel 63mounted upon the shaft 64, ailliOll 65 o also mounted upon said sha 64.-and n with the pinion 19upon the drive shaft 50. In some instances it is desirhble to punch thestrips at spaced intervals and for this purpose the upper roll. 52 isprovided with pins 66 which are removably placed around V the peripherythereof, said pins being adapted to register with the conical deressions 67 in the lower roll 53 as said rol rotate. When it is desiredto produce the strips withoutpunching the pins 66 mav be removed fromthe-u per roll .52. As thestri a pass from the ro 52 and 53 they areeposited upon alchute which carries them to suitable corrugat rolls.This chute is preferably form of a series of narrow plates,68 which areheld in an inclined pothe-l rackets 69 which are carried betweenthesideframes and partitions 7-70 are secured between the edgesiof eachof'saidplate s. A finger 71 is secured to thejbrackets'69 adjacent theverof said finger tical'walls' 72, the extremity mm roll 151 spring 741being pro- .vide'd rornormny holding said finger in contact with saidcorru roll.

vThe cor'rug "roll 3 ispurnaled in the side'framm 1 on 2nd the shaft 74thereof is providedHwith a. pinion 75 with a pinion-'. 76.mounted'uponthe she 77 of the u corrugating roll .78 which is jo'umalediifslidable bearings 79', slidably provided, .fdr adjusting the bearingsof the uppgr corrugating rol inclined separator is located beyond thecorrugating rolls and in a position to receive the cor ted strips asthey are received from said rolls, said separator comprising a series ofspaced plates 81; said plates being spaced from each other adistanceequivalent to the width of the stripe which are formed inthemachine. Clam against each side of each plate 81 is a p te '82 theupper edges of the lates 82 to tricks upon which the stri s are slpper-:5

as they pass away from t e machine. my

7 whieh'are of less width-than the distance between the plates 82 beingdischarged between said plates, thus allowing onl strips of the propersize, to be enema;

from the extremity of the mparatingdevice This device is suppm'ted atits upper tremity upon a rod 83 and aseries of guide plates 84 aresupported between said rod 83 and a rod 85 located bet-ween theextremities of the. separating device, a channel member "tateintermittently and the movement of the shear must be timed to correspondwith the movement of these rolls and in order to accomplish this atiming mechanism is provided which will be hereinafter described. Thedrive pulley 51 and gear 49 aieconnected together in any suitable andwell known manner and the gear 19 formed integral with the loose clutchmember 88, all

I intermediate its extremities.

of said parts beingloosely mounted uponthe shaft 50. Y

The fixed clutch member 89 is fixedly con nected to-the shaft 50 bymeans of a key 90 and is formed wit-h an annular groove 91 T he' lockingmember 92 is slidab'ly mounted in a longi: tudinal slot 93 in the fixedclutch member, a

, recess 9% being provided in the loose clutch member for the purpose ofreceiving the ex tremity of said locking member.

The locking member 92 is provided with a slot 95, one face of which isrounded at 9-6.

An expansion spring 97 is located in a suitable channel 98 formed in thefixed clutch member engaging with a pin 99 carried by side frame 2, theextremity of said lever be said cam being adapted to contact withthe ingprovided with a shoulder 103 and with a tapered finger 101i adapted toengage with the rounded edge 96 of the locking member. A spring pressed"'rod 105 is slidably carried in abracket 106 and is held in contactwiththe extremity 107 of the lever 101 'by meansof a compression spring108.

A cam 109 is provided upon the shaft 38,

extremity 107 of the lever 101 as the shaft '38 rotates, thus throwingthe finger 10a of said lever out of engagement with the looking member92.

A sprocket wheel 110 is carried upon the shaft 38 and is connected to asprocket wheel 111 upon the shaft 7 4: of the lower corrugat ing-roll bymeans of a sprocket chain 112, thus continuously driving the corrugatingrolls.

The operation of the device'is as follows: The sheets to be out into andcorrugated, and, if desired punched, ar placed upon the -table 4t andfed between the fee'drolls 6; and 11 which carry said sheets through thesplitting rolls splitting the sheets intostrips of the desired width andfeeding them into the shears. The device is so timed that as the stripshave passed through the shears, a proper distance, the shaft- 50 willhave rotated into a position, bringing the locking member 92 upon thefixed clutch member into engagement with the finger 10i of the lever101, the face 96 of the locking member engaging with the tapered-face ofthe finger, thus drawing the locking member out of engagement with therecess 9i in the loose clutch member the shoulder 103 upon the leverengaging with the side face of the locking member as shown in Fig. 2 ofthe drawings bringing the feed rolls and splitting rolls to a stop atwhich time the shears are operated cutting the strips the proper length.As the shaft 38 rotates, the cam 109 will then engage the extremity 107of the lever throwing the finger 104: out of engagement with the lockingmember 92 allowing the locking member to again engage the recess-.94: ofthe loose clutch member and causing the feed rolls and splitting rollsto again rotate, the strips.

being passed through theifeed rolls 52 and 53 and upon the vibratingchute 68, the vibration imparted to this chute by means of the finger 71contacting with the lower corrugating roll 73, causing the strips to beeasily separated and dropped into their place, each strip slidingbetween two of the partitions 70. The strips then pass through the;corrugating rolls where they are corrugated -and the finished strips asshown in Fig. 8 of the drawings are discharged upon the inclined plate8i and passed from the machine upon the inclined tracks 82, any stripsof scrap which are too narrow for use being dropped between the tracks82.

Although the drawings and above specificationdisclose the best mode inwhich I have contemplated embodying my invention 1 desire to be notlimited to the details of such disclosure, for, in the further practicalapplication of my invention, many changes in form and construction maybe made, as circumsta-nces' require-or experience suggests,

without departing from the spirit of the invention, within the scope ofthe appended said second feed rolls, means for intermittently operatingsaid shear and means for intermittently operating all of said rolls inunison.

2. A machine. of' the character described, comprising side frames, feedrolls 'ournaled in said side frames, splitting rolls ournaled in saidside frames beyond said eed rolls, a shear mounted between said sideframes beyond said splitting rolls, a second pair of feed rolls'journaled in said side frames beyond said shear, aninclined chutemounted between said side frames beyond said second feed rolls, meansfor intermittently operating said shear and means for intermittentlyoperating all of said rolls in unison, and corrugating' rolls journaledin said side frames at the lower extremity of said chute.

3. A machine of the character described, comprising side frames, feedrolls 'ournaled in said side frames, splittingrolls journaled in saidside frames beyond said feed rolls, a

fixed shear blade mounted between said side frames beyond said splittingrolls, a movable shear blade mounted for reciprocation between said sideframes and adapted to coact with said fixed shear blade, a second pairof feed rolls journaled in said frames eyond said shear blade, means forintermittently 'operating saidmovable shear' blade, means for rotatingsaid feed rolls and splitting rolls in unison, and means forintermittently stopping said rolls during the operation of said shearblade.

4. A machine of the character described,

comprising side frames, feed rolls journaled in said side frames,splitting rolls journaled in said side frames beyond said feed rolls, afixed shear blade mounted between said side frames beyond said,splitting rolls, a movable shear blade ada ted to coact with said fixedshear blade an mounted for'reciprocation between said side frameSQasecond pair of feed rolls journaled in said side frames be' 0nd saidshear blade, a cam shaft mounted tween said side frames, means forcontinuously rotating said camshaft,

cams mounted upon said cam shaft and frames beyond said shear blade, acamshaft etween said side frames, means mounted for continuouslyrotating said cam shaft,

cams mounted upon said cam shaft and adapted to intermittently operatesaid m'ov'-. T

able shear blade, means for operatin said rolls in unison and means forintermit ntly stopping said rolls during the operation of said movableshear blade.

6. A machine of the character described, comprising side frames, feedrolls journaledi i in said side frames and adapted to. feed sheets intothe machine, splitting rolls journaled in said side frames beyond saidfeed rolls and adapted to split said sheets .longitudinally into strips,a fixed shear blade mounted between said side frames be 0nd saidsplitting rolls, a movable shear lade adapted to coactwith said fixedshearblad means for intermittently operating sai 1 movable shear bladeat a predetermined time for the purpose of cutting'the stripsreceivedfrom the splitting rolls into strips of a predetermined length,a second pair of cally stopping all of said rolls during the operationof said shear, an inclined chute located beyond said second named feedrolls, and adapted to receive the strips from said feed rolls,longitudinal partitions located upon said chute and means for vibratingsaid chute for the purpose of causing the strips to fall between saidpartitions.

7. A machine of the character described, comprising side frames, feedrolls journaled in said side frames, splitting rolls journaled in saidside frames beyond said feed rolls, a shear mounted between said sideframes beyond said splitting rolls, punching rolls journaled in saidside frames, beyond said shear, means for operating said shear atpredetermined intervals, means for rotating all of said rolls, means forautomatically stopping all of said rolls during the operation of saidshear, a chute located beyond said punching rolls, longitudinalpartitions provided upon said chute, means for vibrat- 1ng said chute,corrugating rolls journaled in said frames beyond said chute, means forcontinuously rotating said corrugating rolls and a separator locatedbeyond said corrugating rolls.

In testimony that I claim the above, I have hereunto subscribed my namein the presence of two witnesses.

CLARENCE A. IVEIRI CH.

lVitnesses: I

J. H. BISHOP, SYLVIA Bonox.

